package com.example.deepschool.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class GlobalCorsConfig implements WebMvcConfigurer {
	private final String[] ALLOW_ORIGIN = {
			"http://localhost",
			"http://127.0.0.1",
	};
	
	@Bean
	public CorsFilter myCorsFilter () {
		//创建“跨域配置器”：
		CorsConfiguration config = new CorsConfiguration();
		config.setAllowCredentials(true);//允许发送Cookie信息
		config.addAllowedOriginPattern("*");//允许跨域请求的域名，*表示所有
		config.addAllowedMethod("*");//允许跨域的请求方法，*表示所有
		config.addAllowedHeader("*");//允许跨域的请求头，*表示所有
		//注册“跨域配置器”：
		UrlBasedCorsConfigurationSource configSource =
				new UrlBasedCorsConfigurationSource();
		configSource.registerCorsConfiguration("/**", config);//按上述配置来注册，“/**”表示所有路径
		//按上述配置来创建过滤器，然后返回它：
		return new CorsFilter(configSource);
	}
}
